diff options
| -rw-r--r-- | lib/libc/sys/Makefile.inc | 4 | ||||
| -rw-r--r-- | lib/libc/sys/ktrace.2 | 15 |
2 files changed, 14 insertions, 5 deletions
diff --git a/lib/libc/sys/Makefile.inc b/lib/libc/sys/Makefile.inc index 2c015872a0d..3942aaaae41 100644 --- a/lib/libc/sys/Makefile.inc +++ b/lib/libc/sys/Makefile.inc @@ -1,4 +1,4 @@ -# $OpenBSD: Makefile.inc,v 1.151 2017/08/12 00:07:35 guenther Exp $ +# $OpenBSD: Makefile.inc,v 1.152 2017/08/13 19:34:12 tedu Exp $ # $NetBSD: Makefile.inc,v 1.35 1995/10/16 23:49:07 jtc Exp $ # @(#)Makefile.inc 8.1 (Berkeley) 6/17/93 @@ -47,7 +47,7 @@ ASM= __semctl.o __syscall.o __thrsigdivert.o \ dup.o dup2.o dup3.o \ execve.o \ faccessat.o fchdir.o fchflags.o fchmod.o fchmodat.o fchown.o \ - fchownat.o fhopen.o fhstat.o fhstatfs.o \ + fchownat.o fhopen.o fhstat.o fhstatfs.o fktrace.o \ flock.o fpathconf.o fstat.o fstatat.o fstatfs.o \ futimens.o futimes.o \ getentropy.o getdents.o getfh.o getfsstat.o \ diff --git a/lib/libc/sys/ktrace.2 b/lib/libc/sys/ktrace.2 index 8aa64d66bdf..1f62904da1a 100644 --- a/lib/libc/sys/ktrace.2 +++ b/lib/libc/sys/ktrace.2 @@ -1,4 +1,4 @@ -.\" $OpenBSD: ktrace.2,v 1.31 2016/06/18 04:24:19 guenther Exp $ +.\" $OpenBSD: ktrace.2,v 1.32 2017/08/13 19:34:12 tedu Exp $ .\" $NetBSD: ktrace.2,v 1.2 1995/02/27 12:33:58 cgd Exp $ .\" .\" Copyright (c) 1993 @@ -30,7 +30,7 @@ .\" .\" @(#)ktrace.2 8.1 (Berkeley) 6/4/93 .\" -.Dd $Mdocdate: June 18 2016 $ +.Dd $Mdocdate: August 13 2017 $ .Dt KTRACE 2 .Os .Sh NAME @@ -43,6 +43,8 @@ .In sys/ktrace.h .Ft int .Fn ktrace "const char *tracefile" "int ops" "int trpoints" "pid_t pid" +.Ft int +.Fn fktrace "int tracefd" "int ops" "int trpoints" "pid_t pid" .Sh DESCRIPTION The .Fn ktrace @@ -58,6 +60,10 @@ option. gives the pathname of the file to be used for tracing. The file must exist, be writable by the calling process, and not be a symbolic link. +An existing file descriptor +.Fa tracefd +may be used with +.Fn fktrace . All trace records are always appended to the file, so the file must be truncated to zero length to discard previous trace data. @@ -66,7 +72,10 @@ If tracing points are being disabled (see below), .Fa tracefile may be -.Dv NULL . +.Dv NULL +or +.Fa tracefd +may be -1. .Pp The .Fa ops |